Because i download render from that page for make wallpapers and pack for rainmeter.
The page only let you download a "small", "medium","large" image size, but in the server of the page is located the full size whith better resolution:
So thi script download the full render.
Add some option in the page, you can see in the panel option named "ZD AutoImage MgRender v3"
HighSchool DxD --> http://www.mg-renders.net/search/label/High%20School%20DxD?&max-results=24
High School DxD - 1.zip,
High School DxD - 2.zip,
(Last 2 Releses, full changelog in changelog.txt file)